Welcome to MDB Ventures
Audio Tube Store


MDB Ventures Home


Don't forget to visit our
Discount Bargain Packs
and
Bargain Bin
for more savings!


Don't see what you need? Contact us. We have many more tubes that are not yet listed. We also have new and good used tubes in most other numbers including preoctal, globe/balloon, octal, loctal, miniature, subminiature, metal, power, transmitter tubes and many more.

MDB Ventures Audio Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 6V6Y $15.00 RCA 100% 4200 / 4100Gm used (L) metal - brown base - JAN
1 6V6Y $8.00 RCA 90% 4000 / 4100Gm used (L) metal - brown base - JAN
1 6V6 $10.00 RCA 110% 4400 / 4100Gm used (L) metal - JAN
1 6V6 $10.00 Sylvania 110% 4300 / 4100Gm used (L) metal
1 6V6 $10.00 Delco 120% 4600 / 4100Gm used (L) metal
1 6V6 $10.00 RCA 115% 4700 / 4100Gm used (L) metal
1 6V6 $7.50 Ken-Rad 100% 4000 / 4100Gm used (L) metal
1 6V6 $7.50 RCA 100% 4500 / 4100Gm used (L) metal
1 6V6 $5.00 RCA 90% 4100 / 4100Gm used (L) metal
1 6V6 $5.00 RCA 90% 4200 / 4100Gm used (L) metal
1 12V6-GT $10.00 RCA 120% 5000 / 4100Gm NOS (OB) silver lettering - dual bot getter - grid 'c' clip - gray coat
1 12V6-GT $7.50 Sylvania 110% 4600 / 4100Gm NOS (OB) yellow lettering - top getter - black coat
1 12V6-GT $7.50 GE 110% 4300 / 4100Gm NOS (OB) white lettering - top getter
1 12V6-GT $7.50 GE 110% 4700 / 4100Gm NOS (OB) white lettering - top getter
1 12V6-GT $7.50 GE 130% 4900 / 4100Gm NOS (OB) green lettering - top getter
1 12V6-GT $7.50 Westinghouse 120% 5100 / 4100Gm NOS (OB) top getter
1 12V6-GT $7.50 Zenith 110% 4600 / 4100Gm NOS (OB) top getter
1 12V6-GT $7.50 Delco 110% 4300 / 4100Gm NOS (OB) black coat - missing box flap
1 12V6-GT $7.50 GM / Delco 120% 4800 / 4100Gm NOS (OB) dual bot getters - grid clip
1 12V6-GT $7.50 Motorola 120% 4800 / 4100Gm NOS (OB) top getter
1 12V6-GT $5.00 Delco 110% 4800 / 4100Gm used (rb) gray coat - bot getter
1 12V6-GT $5.00 Delco 110% 4700 / 4100Gm used (rb) bot getter
1 12V6-GT $5.00 Delco 100% 4500 / 4100Gm used (L) top getter
Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
(ST)=ST Style, (GT)=GT Style, (TT)=Tall Tubular, (M7)=7pin miniature, M9=9pin miniature, (SM)=subminiature, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).


How To Order:

Purchasing our audio tubes is easy.
Just send us an email indicating the tubes (including quantities) you want.
We will let you know the total price including shipping and handling.

Shipping and Handling Information

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.


Go back to the TOP

Don't forget to visit our
Discount Bargain Packs
and
Bargain Bin
for more savings!


Gmail Users
Please read this note about incorrectly declared email as spam.
This can be an issue as well with other free email providers like Hotmail, AOL, and Yahoo.


MDB Ventures Home


Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com